8.4.8. The DBSPJ Block

This block, added in MySQL Cluster NDB 7.2, implements multiple
cursors in the NDB kernel, providing handling for joins pushed
down from SQL nodes. It contains the following files, which can
be found in the directory
storage/ndb/src/kernel/blocks/dbspj:

Dbspj.hpp: Defines the
Dbspj class.

DbspjInit.cpp: Dbspj
initialization.

DbspjMain.cpp: Handles conditions
pushed down from API and signal passing between
DBSPJ and the DBLQH
and DBTC kernel blocks.